An Interacting Dark Energy Model for the Expansion History of the Universe

Abstract

We explore a model of interacting dark energy where the dark energy density is related by the holographic principle to the Hubble parameter, and the decay of the dark energy into matter occurs at a rate comparable to the current value of the Hubble parameter. We find this gives a good fit to the observational data supporting an accelerating Universe, and the model represents a possible alternative interpretation of the expansion history of the Universe.

arXiv comment6 pages, 2 figures, Phys. Rev. D version

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• Dynamics of Interacting Quintessence Models: Observational Constraints
• Interacting Holographic Viscous Dark Energy Model
• Observational constraints on the interacting Ricci dark energy model
• Transient cosmic acceleration from interacting fluids
• Non-adiabatic perturbations in decaying vacuum cosmology
• Black hole and holographic dark energy
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• Interacting Viscous Dark Energy in Bianchi Type-I Universe
• Interaction between scalar field and ideal fluid with inhomogeneous equation of state
• Duality invariance and cosmological dynamics
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• Dynamics of the universe as a "test 3-brane" in a 5D bulk